Design an unsafe content detection system
Company: Pinterest
Role: Machine Learning Engineer
Category: ML System Design
Difficulty: hard
Interview Round: Onsite
Overview: This question evaluates a candidate's competency in end-to-end machine learning system design for unsafe user-generated content detection, covering multimodal modeling, real-time inference and serving, scalability, reliability, evaluation metrics, policy-driven actions, and human-in-the-loop workflows.
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